CN1934901A - Multifunction vibration actuator and portable terminal device - Google Patents

Multifunction vibration actuator and portable terminal device Download PDF

Info

Publication number
CN1934901A
CN1934901A CNA2005800091885A CN200580009188A CN1934901A CN 1934901 A CN1934901 A CN 1934901A CN A2005800091885 A CNA2005800091885 A CN A2005800091885A CN 200580009188 A CN200580009188 A CN 200580009188A CN 1934901 A CN1934901 A CN 1934901A
Authority
CN
China
Prior art keywords
suspension
magnetic loop
loop portion
housing
voice coil
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CNA2005800091885A
Other languages
Chinese (zh)
Other versions
CN1934901B (en
Inventor
上田稔
竹内谕士
大野悦男
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Namiki Precision Jewel Co Ltd
Original Assignee
Namiki Precision Jewel Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Namiki Precision Jewel Co Ltd filed Critical Namiki Precision Jewel Co Ltd
Publication of CN1934901A publication Critical patent/CN1934901A/en
Application granted granted Critical
Publication of CN1934901B publication Critical patent/CN1934901B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02Details
    • H04R9/025Magnetic circuit
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H04R31/003Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor for diaphragms or their outer suspension
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00Loudspeakers
    • H04R2400/03Transducers capable of generating both sound as well as tactile vibration, e.g. as used in cellular phones
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00Loudspeakers
    • H04R2400/07Suspension between moving magnetic core and housing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10General applications
    • H04R2499/11Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Manufacturing & Machinery (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Abstract

The invention aims to accurately tune the frequency of vibration by means of a suspension during assembly. Securing planned positions (3e) where a magnetic circuit portion (2) is secured to a suspension (3) are provided near to each other. From among the securing planned positions (3e), a securing planned position (3e) corresponding to the characteristics of the suspension (3) to be mounted or the weight of the magnetic circuit portion (2) is selected, and they are secured to each other. Thus, the length from the securing position to the vibration center position of the suspension (3) and a housing (1) is varies so that the frequency may be tuned to a desired value.

Description

Multifunction oscillatory actuator and portable terminal
Technical field
The portable terminal that the present invention relates to a kind of multifunction oscillatory actuator and be equipped with this actuator, described multifunction oscillatory actuator is equipped on the portable terminals such as portable phone, small information communicating terminal, by an equipment by sound or the vibration with the call-in reporting user.In detail, relate to a kind of Mobyneb actuator, in housing, contain magnetic loop portion, relatively this magnetic loop portion of housing elastic bearing suspension (suspension), with the vibrating membrane of this relative configuration of magnetic loop portion be arranged on this vibrating membrane and insert the voice coil loudspeaker voice coil of the magnetic gap portion of magnetic loop portion, by flowing through the signal of vibration frequency to this voice coil loudspeaker voice coil, the fixing vibration of the suspension of magnetic loop portion is transmitted to the outside by housing.
Background technology
In the past, as this multifunction oscillatory actuator, following described structure is arranged: the yoke (yoke) of chimeric fixedly magnetic loop portion (magnetic loop) in the centre bore of suspension, the outer peripheral a plurality of tabs that uniformly-spaced are arranged on this suspension are embedded in the breach stage portion that is provided with in the framework that is bonded in housing (basket), and relative thus housing is the outward flange of suspension (for example with reference to patent documentation 1) fixedly.When making the signal code of voice signal flow through voice coil loudspeaker voice coil, the vibrating membrane vibration, send sound equipments such as ringtone, melody sound, sound, music, when flowing through the signal of vibration frequency, comprise the mechanical vibrating system vibration of magnetic loop and suspension, this vibration is delivered to the portable terminal integral body that is equipped with this Mobyneb actuator through housing.In addition, the yoke (following yoke) that makes magnetic loop portion is chimeric with the centre bore of suspension (leaf spring), fixes by laser welding, and the outward flange of this suspension is clipped in housing (case) and is embedded between wherein the dividing plate and fixes (for example with reference to patent documentation 2)
Patent documentation 1: the spy opens 2002-191092 communique (the 2nd page, Fig. 8-11)
Patent documentation 2: the spy opens flat 11-7286 communique (3-5 page or leaf, Fig. 2, Fig. 3)
Summary of the invention
In this multifunction oscillatory actuator,, need at length manage the weight of the vibrating body that characteristic, magnetic loop portion and the suspension of suspension constituted for precision cooperates the vibration frequency of suspension well.Yet the characteristic of suspension is according to easy delicate variations such as the fine difference of each material of making batch or dimensional tolerances, and the weight that constitutes the magnet of magnetic loop portion or yoke etc. is also according to the delicate variations such as dimensional tolerance of making batch.Yet, in multifunction oscillatory actuator in the past, do not consider that above-mentioned variation is wanted thereby fetch with assigned position fixedly suspension and magnetic loop portion by bonding or Laser Welding, thereby always be necessarily from this fixed position to the length of the fixed position of the relative housing of this suspension, be difficult to adjust the vibration frequency of suspension in its assembling stage.Its result, if the vibration frequency value of departing from objectives, the acceleration that obtains during then actual the use diminishes, and obtains finishing Products Quality because the deviation of parts precision causes stablizing, and therefore exists manufacturing cost than problems such as height.
Among the present invention first invention and the 3rd invention of quoting it, its purpose are that in assembling precision cooperates the vibration frequency of suspension well.Second invention and the 3rd invention of inventing of quoting it, outside the goal of the invention of first invention, its purpose also is, carries out high speed and fixing accurately with simple adjustment structure.
To achieve these goals, first invention of the present invention, it is characterized in that, mutual fixedly precalculated position of closely preparing a plurality of magnetic loop portions and suspension, fix the length of the centre of oscillation position of change by fixedly select the fixedly precalculated position corresponding the precalculated position from these from this fixed position to this suspension and housing with the weight of the characteristic of the suspension that carries, magnetic loop portion.The formation of second invention of the present invention in the formation of first invention, is characterized in that the said fixing precalculated position is the laser welding through hole that is opened on the suspension, changes laser irradiating position and carries out laser welding towards these through holes.The 3rd invention is a kind of portable terminal, it is characterized in that, built-in first invention and the described multifunction oscillatory actuator of second invention, by receiving the exhalation signal, make above-mentioned vibrating membrane and, comprise in the mechanical vibrating system of magnetic loop portion and suspension that any one party or two sides vibrate, the vibration of this mechanical vibrating system is passed to equipment integral through housing,, the vibration of vibrating membrane and mechanical vibrating system is stopped by resetting of above-mentioned exhalation signal.
First the 3rd invention of inventing and quoting it among the present invention, mutual fixedly precalculated position of closely preparing a plurality of magnetic loop portions and suspension, fixedly select the precalculated position the fixedly precalculated position corresponding to fix from these with the weight of the characteristic of the suspension of lift-launch, magnetic loop portion, thus, change the length of position, the centre of oscillation to cooperate desired frequency from this fixed position to this suspension and housing.Therefore, vibration frequency that can precision is harmonized suspension well in assembling.Its result owing to can reduce to make at each the deviation of parts precision of suspension, the magnetic loop portion of batch generation, thereby can stablize and obtains finishing Products Quality, can reduce manufacturing cost.
Second invention and the 3rd invention of quoting it, outside the invention effect of first invention, change laser irradiating position and carry out laser welding with through hole 3e towards the laser welding that is opened on the suspension 3, thus, can carry out high speed and fixing accurately with simple adjustment structure.Therefore, can and fix exactly with simple adjustment structure high speed.Its result can further reduce manufacturing cost.
Description of drawings
Fig. 1 is the vertical profile front view of the multifunction oscillatory actuator of expression one embodiment of the present of invention.
Fig. 2 is that it dwindles vertical view.
Fig. 3 is the vertical profile front view of the state that decomposes according to assembling sequence of expression.
Fig. 4 is the ground plan that dwindles that expression is fixed on suspension state in the magnetic loop portion.
Fig. 5 is a decomposition diagram.
Label declaration
The A multifunction oscillatory actuator
1 housing
2 magnetic loop portions
2a magnetic gap portion
3 suspensions
3e is precalculated position (through hole that laser welding is used) fixedly
4 vibrating membranes
5 voice coil loudspeaker voice coils
Embodiment
One embodiment of the present of invention below are described with reference to the accompanying drawings.Multifunction oscillatory actuator A of the present invention such as Fig. 1~shown in Figure 5, in housing 1 cylindraceous, have: magnetic loop portion 2, flexibly support the suspension 3 of this magnetic loop portion 2 from the below, vibrating membrane 4 with these magnetic loop portion 2 relative configurations, with be fixed on this vibrating membrane 4 and insert voice coil loudspeaker voice coil 5 among the 2a of magnetic gap portion of ring-type of magnetic loop portion 2, to these voice coil loudspeaker voice coil 5 input audio signals, then vibrating membrane 4 little vibrations, send ringtone, the melody sound, sound, sound equipments such as music, in addition, when flowing through the signal code of vibration frequency 120~160Hz, the mechanical vibrating system with the weight that comprises magnetic loop portion 2 and suspension 3 is significantly vibrated.
Housing 1 is the basket cylindraceous of accommodating magnetic loop portion 2, and the openend 1a of (among the figure top) is by the fixing peripheral part 4a of vibrating membrane 4 such as binding agent in one side, and the openend 1b in the opposing party (below among the figure) releasably installs and is coated with bottom surface cover 6.
At the opposing party's openend 1b of these housings 1 with cover between 6, sandwich and be fixed in magnetic the outer edge 3a of the suspension in the road portion 23 with the endless member 7 of strain can take place, relatively the fixing outer edge 3a of suspension 3 of the opposing party's openend 1b crimping of housing 1.
This endless member 7 for example is the O ring that the elastomeric material by synthetic rubber etc. is shaped, as Fig. 1, Fig. 3 and shown in Figure 5, towards the bottom periphery configuration of the outer edge of suspension 3 3a along cover 6.And, preferably prepare the multiple different parts or the different parts of hardness of size of thickness direction up and down as endless member 7, in them, according to circumstances select.
In the bonding part of these housings and cover 6, be provided with by mutual near the fastening device 8 that carries out chimeric fastening.In the present embodiment, as Fig. 3 and shown in Figure 5, the bottom week sidewall 1c that is formed with the side perisporium 6a of cover 6 of round-ended cylinder shape and housing 1 is chimeric structure mutually, along the circumferential direction equally spaced forms a plurality of fastening protuberance 8a and fastening recess 8b respectively as above-mentioned fastening device 8 on these chimeric surfaces.
In illustrated example, make the internal diameter of side perisporium 6a of the external diameter of bottom week sidewall 1c of housing 1 and cover 6 roughly the same and chimeric, and the outer surface of sidewall 1c is provided with fastening protuberance 8a in the bottom week of housing 1, connect at the inner surface of the side perisporium 6a of the cover relative 6 and to offer fastening recess 8b with it, but the shape of above-mentioned inserted structure and fastening device 8 is not limited to schematic structure, as long as have same function, also can wait other structures, shape for fastening protuberance 8a and fastening recess 8b dispose on the contrary.
Suspension 3 is leaf springs of ring-type, it is formed with: in the central with the chimeric centre bore 3b of magnetic loop described later portion 2, around this centre bore 3b and with the 3c of annulus portion of magnetic loop portion 2 butts, be connected this 3c of annulus portion and above-mentioned outer edge 3a and diastrophic arm 3d, by laser welding the 3c of this annulus portion is fixed in the magnetic loop portion 2, and outer edge 3a is fixed in the opposing party's openend 1b of housing 1, thus in the position elastic bearing magnetic loop portion 2 relative with vibrating membrane 4.
Say in more detail, as shown in Figure 4 and Figure 5, a plurality of positions at the 3c of annulus portion, as fixing precalculated position, equally spaced offer the through hole 3e that a plurality of laser that laser welding is used pass through in advance, from these a plurality of through hole 3e, select characteristic with the suspension 3 that carries, the through hole 3e of the weight correspondence of magnetic loop portion 2, change laser irradiating position and carry out laser welding towards these through holes 3e, change thus from this laser welding position to the outer edge 3a of the suspension 3 of the opposing party's openend 1b that is fixed in housing 1, also be the length of position, the centre of oscillation, the desired frequency of vibration of harmonizing this suspension 3 well with precision.
Vibrating membrane 4 is for example formed the oscillating plate of the flat circle shape that is fit to thickness by the plastic film elastomeric material of Merlon, Polyetherimide, polyimides, PETG, near inner peripheral surface along housing 1 its neighboring is bent, being bent to form circular rising portions 4b, and be bent to form the peripheral part 4a that extends in parallel from the tabular surface of side's openend 1a of this rising portions 4b and housing 1.
And then, radius at vibrating membrane 4 roughly forms circular installation portion 4c in the centre position, in its inside by the fixing end face of voice coil loudspeaker voice coil 5 such as binding agent, and the 2a of magnetic gap portion of the ring-type of insertion magnetic loop portion 2, clip this coil installation portion 4c is bent to form the concentric circles of giving prominence to foreign side respectively at central side and outer circumferential side curved face part 4d, 4e.
Voice coil loudspeaker voice coil 5 is wound into cylindric, as shown in Figure 2, its lead 5 is sticked on the inside of above-mentioned vibrating membrane 4 by binding agent etc., and make it not be subjected to the influence of the vibration of vibrating membrane 4, the front end of this lead 5a is derived to the terminal board 1d in the outside that is arranged on above-mentioned housing 1, and join on the terminal fittings 1e that is arranged on this terminal board 1d by electricity such as soldering or pressure weldings.
Above-mentioned magnetic loop portion 2 overlapping yoke 9, discoid magnet 10, discoid pole piece 11 and constitute on concentric shafts.
Yoke 9 has formed the round-ended cylinder shape with magnetic material, its outer peripheral face 9a separates minim gap with the inner peripheral surface that is positioned at relative housing 1, and (for example the mode of 0.05~0.2mm) position forms, and, form the bearing surface 9b relative with the 1f of circular step portion of the inner peripheral surface that is formed at housing 1, both butts when the vibration of magnetic loop portion 2, restriction magnetic loop portion 2 is owing to moving that external impact produces.
And then, in the present embodiment,, being formed on this protuberance 9c recess 9d on every side at the lower surface formation of yoke 9 and the chimeric protuberance 9c of centre bore 3b of suspension 3, butt has the 3c of annulus portion of suspension 3 and fixes by one such as laser welding.As required, also can cave in bottom center is provided with the spot-facing portion (not shown) have with the roughly the same diameter of diameter of magnet 10, so that this magnet 10 is positioned.
Above-mentioned pole piece 11 forms roughly the samely or also big more discoid than it with the diameter of above-mentioned magnet 10, and the setting of can caving in the bottom surface as required has the spot-facing portion (not shown) with the roughly the same diameter of diameter of this magnet 10, so that magnet 10 is positioned.More preferred spot-facing portion by this spot-facing portion and above-mentioned yoke 9 sandwiches magnet 10, limit magnet 10 dislocation radially thus.
Then, the assemble method to described multifunction oscillatory actuator A describes in order.As shown in Figure 3, at first vibrating membrane 4 and voice coil loudspeaker voice coil 5 one are installed on the housing 1, by laser welding suspension 3 is welded on the yoke 9 of magnetic loop portion 2 and whole integrated, in the cover 6 that the round-ended cylinder shape is arranged, adds endless member 7, along its side perisporium 6a mounting with magnetic loop portion 2.
And then, during the 3c of annulus portion of the yoke 9 of laser welding magnetic loop portion 2 and suspension 3, need corresponding at least each make batch, the characteristic of the suspension 3 that investigation is carried, the weight of magnetic loop portion 2, select the through hole 3e corresponding with it, change laser irradiating position and carry out laser welding towards this through hole, change thus from this laser welding position to the length of the position, the centre of oscillation of this suspension 3 and housing, desired frequency, its result of vibration that suspension 3 harmonize well with precision, can be in assembling precision cooperate the frequency of suspension vibration well.
On this endless member 7, the outer edge 3a of overlapping and magnetic loop portion 2 incorporate suspensions 3, the housing 1 that vibrating membrane 4 and voice coil loudspeaker voice coil 5 are installed is fallen by the side from it, between its opposing party's openend 1b and above-mentioned cover 6, sandwiches the outer edge 3a and the endless member 7 of suspension 3.
Thus, the side perisporium 6a of the bottom of shell 1 week sidewall 1c and cover 6 mutually near and chimeric in, be arranged on the fastening protuberance 6a and the chimeric fastening of fastening recess 6b of the fastening device 8 on the two, the parts that the one assembling is whole, be housing 1, magnetic loop portion 2, suspension 3, vibrating membrane 4, voice coil loudspeaker voice coil 5, cover 6 and endless member 7, finish assembling.
Therefore, can not use fixing means such as binding agent, mould molding, welding and stationary housing 1 and suspension 3, even and grant impact from housing 1 outside, endless member 7 also can compression and is absorbed impact.Its result can reduce work hours and cost, and the characteristic variations that impact causes such as can prevent to fall, and can make the frequency characteristic of vibration become smooth.And then, can change the crimp force of the outer edge 3a of relative suspension 3 by changing size, the hardness of endless member 7, can adjust resonance frequency thus.
In the above-described embodiments, represented from the below by the situation of suspension 3 elastic bearing magnetic loop portions 2, but be not limited thereto, for example suspend magnetic loop portion 2 in midair and supporting etc. by suspension 3 from the top, the installation direction that changes magnetic loop portion 2 and suspension 3 also can obtain above-mentioned action effect.And then, the structure and the shape of the housing of describing in the foregoing description 1, magnetic loop portion 2, suspension 3, vibrating membrane 4, voice coil loudspeaker voice coil 5, cover 6 and endless member 7 are not limited to illustrated structure, as long as have and the above-mentioned functions identical functions, also can be other structure and shape.

Claims (3)

1. multifunction oscillatory actuator, in housing (1), contain: magnetic loop portion (2), the suspension (3) of relative this magnetic loop portion (2) of housing (1) elastic bearing, vibrating membrane (4) with this relative configuration of magnetic loop portion (2), this vibrating membrane (4) is gone up and the voice coil loudspeaker voice coil (5) of the magnetic gap portion (2a) of insertion magnetic loop portion (2) with being arranged on, by flow through the signal of vibration frequency to this voice coil loudspeaker voice coil (5), fixedly the vibration of the suspension (3) of magnetic loop portion (2) is transmitted to the outside by housing (1), it is characterized in that
Closely prepare the fixedly precalculated position (3e) of a plurality of described magnetic loop portions (2) and suspension (3) mutually, by fixedly selecting precalculated position (3e) the fixedly precalculated position (3e) corresponding to fix from these with the weight of the characteristic of the suspension (3) that carries, magnetic loop portion (2), change from this fixed position to the length of the position, the centre of oscillation of this suspension (3) and housing (1).
2. multifunction oscillatory actuator as claimed in claim 1 is characterized in that, described fixedly precalculated position (3e) is the laser welding through hole that is opened on the suspension (3), changes laser irradiating position and carries out laser welding towards these through holes (3e).
3. portable terminal, it is characterized in that, built-in claim 1 or 2 described multifunction oscillatory actuators (A), by the exhalation signal, make described vibrating membrane (3) and, comprise in the mechanical vibrating system of magnetic loop portion (2) and suspension (5) that any one party or two sides vibrate, the vibration of this mechanical vibrating system is passed to equipment integral through housing (1),, the vibration of vibrating membrane (3) and mechanical vibrating system is stopped by resetting of described exhalation signal.
CN2005800091885A 2004-03-22 2005-03-18 Multifunction vibration actuator and portable terminal device Expired - Fee Related CN1934901B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2004082330A JP4475993B2 (en) 2004-03-22 2004-03-22 Multi-function vibration actuator and portable terminal device
JP082330/2004 2004-03-22
PCT/JP2005/004910 WO2005091674A1 (en) 2004-03-22 2005-03-18 Multifunction vibration actuator and portable terminal device

Publications (2)

Publication Number Publication Date
CN1934901A true CN1934901A (en) 2007-03-21
CN1934901B CN1934901B (en) 2012-08-08

Family

ID=34994093

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2005800091885A Expired - Fee Related CN1934901B (en) 2004-03-22 2005-03-18 Multifunction vibration actuator and portable terminal device

Country Status (8)

Country Link
US (1) US7528509B2 (en)
EP (1) EP1742504B1 (en)
JP (1) JP4475993B2 (en)
KR (1) KR100852033B1 (en)
CN (1) CN1934901B (en)
DE (1) DE602005021213D1 (en)
TW (1) TW200533057A (en)
WO (1) WO2005091674A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102714770A (en) * 2009-12-21 2012-10-03 楼氏电子亚洲有限公司 Suspension member for vibration actuator
CN103116396A (en) * 2011-11-16 2013-05-22 三星电机株式会社 Haptic feedback device
CN112237010A (en) * 2018-08-13 2021-01-15 谷歌有限责任公司 Actuator with reduced thickness

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK200501409A (en) * 2005-10-07 2007-04-08 Tymphany Denmark As Electroacoustic transducer
CN1992996B (en) * 2005-12-30 2012-02-29 丁轶 Detachable supporting structure for loudspeaker diaphragm
KR100675041B1 (en) 2006-02-02 2007-01-29 삼성전기주식회사 Plat spring rigity controling method of actuator
KR101135396B1 (en) * 2006-07-03 2012-04-17 아이필유(주) Multi-function micro speaker
US8035906B2 (en) * 2006-12-25 2011-10-11 Nikon Corporation Vibration actuator, lens barrel and camera
KR100902120B1 (en) * 2008-10-15 2009-06-09 주식회사 비에스이 Multi function speaker
JP4680291B2 (en) * 2008-10-31 2011-05-11 哲郎 渡邊 Multifunctional vibration generator
WO2011013462A1 (en) * 2009-07-29 2011-02-03 三洋電機株式会社 Electroacoustic transducer having vibration function
KR101206560B1 (en) * 2010-01-05 2012-11-29 엘지이노텍 주식회사 Voice coil motor
KR101046003B1 (en) 2010-11-17 2011-07-04 삼성전기주식회사 Linear vibrator
CN201967124U (en) * 2011-01-07 2011-09-07 瑞声光电科技(常州)有限公司 Electromagnetic loudspeaker
JP5781831B2 (en) * 2011-05-25 2015-09-24 日本電産サンキョー株式会社 Optical device and method of manufacturing optical device
KR101339551B1 (en) * 2011-09-05 2013-12-10 삼성전기주식회사 Linear vibrator
US8890375B2 (en) * 2012-07-05 2014-11-18 Aac Acoustic Technologies (Shenzhen) Co., Ltd. Multi-function vibrating device
US9628902B2 (en) * 2015-09-22 2017-04-18 Meiloon Industrial Co., Ltd. Passive radiator structure
DK3151582T3 (en) 2015-09-30 2020-10-12 Apple Inc HEADPHONE WITH CHARGING SYSTEM CASE
JP2019221046A (en) * 2018-06-19 2019-12-26 日本電産コパル株式会社 Vibration actuator
JP2021132395A (en) * 2018-08-13 2021-09-09 グーグル エルエルシーGoogle LLC Thinned actuator
US11172101B1 (en) 2018-09-20 2021-11-09 Apple Inc. Multifunction accessory case
US11240579B2 (en) * 2020-05-08 2022-02-01 Level 42 Ai Sensor systems and methods for characterizing health conditions
US11592870B2 (en) * 2020-06-11 2023-02-28 Apple Inc. Electronic device architecture and components

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3246123B2 (en) * 1993-09-30 2002-01-15 松下電器産業株式会社 Sounder and method of manufacturing the same
JPH08129845A (en) * 1994-10-31 1996-05-21 Mitsumi Electric Co Ltd Suspension assembling structure of magnetic field modulation head
TW353849B (en) * 1996-11-29 1999-03-01 Matsushita Electric Ind Co Ltd Electric-to-mechanical-to-acoustic converter and portable terminal unit
JPH117286A (en) 1997-06-18 1999-01-12 Sanyo Electric Co Ltd Siren for joint use for sound/vibration
US6084330A (en) * 1998-03-13 2000-07-04 Kollmorgen Corporation Permanent magnet rotor and method of assembly
JP3704977B2 (en) * 1998-11-20 2005-10-12 松下電器産業株式会社 Electro-mechanical-acoustic transducer
JP4565130B2 (en) * 2000-12-22 2010-10-20 並木精密宝石株式会社 Multi-function sound generator and portable terminal
JP3797916B2 (en) * 2001-10-30 2006-07-19 シチズン電子株式会社 Speaker and manufacturing method thereof
US6847139B2 (en) * 2001-12-28 2005-01-25 Namiki Seimitsu Houseki Kabushiki Kaisha Multi-functional vibrating actuator
US7324655B2 (en) * 2002-07-04 2008-01-29 Nec Tokin Corporation Electroacoustic transducer
JP3891414B2 (en) * 2002-07-05 2007-03-14 シチズン電子株式会社 Electroacoustic transducer manufacturing method
EP1542497B1 (en) * 2002-09-06 2011-11-02 Namiki Seimitsu Houseki Kabushiki Kaisha Loudspeaker with vibrating function for a portable terminal
EP1562397B1 (en) * 2002-10-24 2013-12-04 Panasonic Corporation Electroacoustic transducer with vibration function and its manufacturing method
US7003130B2 (en) * 2003-01-29 2006-02-21 Samsung Electro-Mechanics Co., Ltd. Resonance frequency correction method and vibration speaker
JP2006203709A (en) * 2005-01-24 2006-08-03 Citizen Electronics Co Ltd Oscillator

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102714770A (en) * 2009-12-21 2012-10-03 楼氏电子亚洲有限公司 Suspension member for vibration actuator
CN103116396A (en) * 2011-11-16 2013-05-22 三星电机株式会社 Haptic feedback device
CN112237010A (en) * 2018-08-13 2021-01-15 谷歌有限责任公司 Actuator with reduced thickness
CN112237010B (en) * 2018-08-13 2022-02-25 谷歌有限责任公司 Actuator, mobile device and wearable device

Also Published As

Publication number Publication date
US20070194633A1 (en) 2007-08-23
CN1934901B (en) 2012-08-08
DE602005021213D1 (en) 2010-06-24
WO2005091674A1 (en) 2005-09-29
TW200533057A (en) 2005-10-01
KR100852033B1 (en) 2008-08-13
JP4475993B2 (en) 2010-06-09
TWI347081B (en) 2011-08-11
JP2005269497A (en) 2005-09-29
US7528509B2 (en) 2009-05-05
EP1742504B1 (en) 2010-05-12
EP1742504A4 (en) 2008-05-21
EP1742504A1 (en) 2007-01-10
KR20060123622A (en) 2006-12-01

Similar Documents

Publication Publication Date Title
CN1934901A (en) Multifunction vibration actuator and portable terminal device
US7619498B2 (en) Vibrator
CN101729960B (en) Multifunctional speaker
US6850138B1 (en) Vibration actuator having an elastic member between a suspension plate and a magnetic circuit device
CN1934900A (en) Multi-function type oscillation actuator and mobile terminal device
US20050276434A1 (en) Dynamic exciter and loudspeaker using the same
CN101330988B (en) Multifunction vibration actuator
CN1242721A (en) Electric-mechanical-acoustic transducer and method for mfg. same
US20110309691A1 (en) Linear vibrator and electronic device having the same
CN101045229A (en) Vibrator
US7787650B2 (en) Electromagnetic exciter
CN101964578A (en) Linear vibration motor
JP4299263B2 (en) Vibration actuator
CN1757260B (en) Multifunctional actuator and mobile terminal
WO2008072830A1 (en) Multi-functional microspeaker
CN1838835A (en) Acoustic transducer
CN102857063A (en) Linear vibration motor
KR101363512B1 (en) Micro speaker
CN110012396A (en) Vibrator and the elastic coupling member for forming vibrator
WO2008004729A1 (en) Vibrator
KR101111895B1 (en) Multi-function micro-speaker
JP4565130B2 (en) Multi-function sound generator and portable terminal
KR100773984B1 (en) Multi-Function Actuator Module
KR20080054323A (en) Multi-function microspeaker
KR20040088348A (en) Vibrating speaker

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120808

Termination date: 20150318

EXPY Termination of patent right or utility model